i ranked 73419 in uptu exams. Which institute should i prefer in allahabad, varanasi, kanpur or ncr area for b.tech course?

one thing is certain that with your rank, your chance of getting admission in top colleges is almost negligible, so it is advisable if you want the top college start preparation for next year exam. of UPTU and as you will have one year in hand you may also think about appearing in other entrance exa

Look for two things Which course your rank is fetching for you and how old the college is . Older the college better it will be for you